How Car Ignition Systems Work

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Part of the video series: How to Change Spark Plugs

Checking Spark Plug Wires for Sp...

Preparing to Change Spark Plugs

Starting Cars After Changing Spa...

Summary: In a car's ignition system, the coil goes from the distributor to the spark plug wires and on to the spark plug. Discover how car ignition systems work with auto repair tips in this free video on car maintenance.

Views: 201 | Tags: car maintenance, auto maintenance, spark plugs, car repairs, auto repairs, car engines, internal combustion engin, car electrical, spark plug replacement. c

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About the Expert

John Clarkson John Clarkson is a jack of all trades and has worked as an electrician and mechanic. read more

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Video Transcript

How Car Ignition Systems Work

Hi, my name, hi, my name is John from expertvillage.com, and we're changing spark plugs. Now, one thing you gotta' know is how your ignition system in your car works. With older cars they generally work like this. Now, we have this 91' Nissan Sentra. You go from the coil to the distributor right here, then the distributor to each one of your spark plug wires. Spark plug wires then connect to your spark plug. Here, we have your average spark plug. Goes upside down, and these go hook right onto that. So, in order for this to work you have to have your your spark plug wires hooked up right, and it's got to go to your distributor, and then it's got, and your timing has to be set, and then it goes to your coil. So now we're going to remove this spark plug. Now, first thing you want to do is clean it. So, you want to make sure it's clean. You don't want any random debris falling inside your engine. It's not good. Let's clean it.